Differential operators of principal type
Matematika, Tome 5 (1961) no. 5, pp. 89-114
Voir la notice de l'article provenant de la source Math-Net.Ru
@article{MAT_1961_5_5_a4,
author = {L. H\"ormander},
title = {Differential operators of principal type},
journal = {Matematika},
pages = {89--114},
publisher = {mathdoc},
volume = {5},
number = {5},
year = {1961},
language = {ru},
url = {http://geodesic.mathdoc.fr/item/MAT_1961_5_5_a4/}
}
L. Hörmander. Differential operators of principal type. Matematika, Tome 5 (1961) no. 5, pp. 89-114. http://geodesic.mathdoc.fr/item/MAT_1961_5_5_a4/